diff --git a/WMS choose.htm b/WMS choose.htm
new file mode 100644
index 0000000..94fdd69
--- /dev/null
+++ b/WMS choose.htm	
@@ -0,0 +1,124 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+	<base target="_top">
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	
+	<title>Layers Control Tutorial - Leaflet</title>
+	
+	<link rel="shortcut icon" type="image/x-icon" href="docs/images/favicon.ico" />
+
+    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin=""/>
+    <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
+
+	<style>
+		html, body {
+			height: 100%;
+			margin: 0;
+		}
+		.leaflet-container {
+			height: 400px;
+			width: 600px;
+			max-width: 100%;
+			max-height: 100%;
+			background-color: white;
+			outline:auto;
+		}
+	</style>
+
+	
+</head>
+<body>
+	<div class="sliderBox">
+		<input type="range" min="1" max="100" value="50" class="slider" id="myRange">
+		<span id ="sliderOutput"></span>
+		<div id="scaleOutput"></div>
+	</div>
+
+<div id='map'></div>
+
+<script>
+const cities = L.layerGroup();
+const mLittleton = L.marker([39.61, -105.02]).bindPopup('This is Littleton, CO.').addTo(cities);
+const mDenver = L.marker([39.74, -104.99]).bindPopup('This is Denver, CO.').addTo(cities);
+const mAurora = L.marker([39.73, -104.8]).bindPopup('This is Aurora, CO.').addTo(cities);
+const mGolden = L.marker([39.77, -105.23]).bindPopup('This is Golden, CO.').addTo(cities);
+const osm = L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
+	maxZoom: 19,
+	attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
+});
+
+const osmHOT = L.tileLayer('https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png', {
+	maxZoom: 19,
+	attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, Tiles style by <a href="https://www.hotosm.org/" target="_blank">Humanitarian OpenStreetMap Team</a> hosted by <a href="https://openstreetmap.fr/" target="_blank">OpenStreetMap France</a>'
+});
+
+const map = L.map('map', {
+	center: [48.1214044, -1.7109459],
+	zoom: 17,
+	layers: [osm, cities]
+});
+
+const baseLayers = {
+	'OpenStreetMap': osm,
+	'OpenStreetMap.HOT': osmHOT
+};
+
+const overlays = {
+	'Cities': cities
+};
+
+const layerControl = L.control.layers(baseLayers, overlays).addTo(map);
+
+
+const crownHill = L.marker([39.75, -105.09]).bindPopup('This is Crown Hill Park.');
+const rubyHill = L.marker([39.68, -105.00]).bindPopup('This is Ruby Hill Park.');
+
+const parks = L.layerGroup([crownHill, rubyHill]);
+
+const IGNOrtho = L.tileLayer("https://wxs.ign.fr/essentiels/geoportail/wmts?" +
+        "&REQUEST=GetTile&SERVICE=WMTS&VERSION=1.0.0" +
+        "&STYLE=normal" +
+        "&TILEMATRIXSET=PM" +
+        "&FORMAT=image/jpeg"+
+        "&LAYER=ORTHOIMAGERY.ORTHOPHOTOS"+
+	"&TILEMATRIX={z}" +
+        "&TILEROW={y}" +
+        "&TILECOL={x}", 
+	{
+		minZoom : 0,
+		maxZoom : 24,
+		opacity : 0.5,
+        attribution : "IGN-F/Geoportail",
+		tileSize : 256 // les tuiles du Géooportail font 256x256px
+});
+layerControl.addOverlay(IGNOrtho, 'IGNORtho');
+layerControl.addOverlay(parks, 'Parks');
+
+
+var slider = document.getElementById("myRange");
+var output = document.getElementById("sliderOutput");
+output.innerHTML = slider.value;
+
+slider.oninput = function() {
+	output.innerHTML = this.value;
+	IGNOrtho.setOpacity(this.value/100);
+}
+// gestion de l'échelle
+L.control.scale().addTo(map);
+
+
+//var y = map.getSize().y / 2;
+var position = map.getCenter();
+var widthInMeter = 6378137 * 2 * Math.PI * Math.cos(map.getCenter().lat * Math.PI / 180);
+var scaleOutput = document.getElementById("scaleOutput");
+scaleOutput.innerHTML = widthInMeter;
+map.on('moveend', function(){
+	scaleOutput.innerHTML = 6378137 * 2 * Math.PI * Math.cos(map.getCenter().lat * Math.PI / 180);
+});
+</script>
+
+
+</body>
+</html>
diff --git a/WMS-choose.htm b/WMS-choose.htm
deleted file mode 100644
index 3028021..0000000
--- a/WMS-choose.htm
+++ /dev/null
@@ -1,124 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-	<head>
-		<base target="_top">
-		<meta charset="utf-8">
-		<meta name="viewport" content="width=device-width, initial-scale=1">
-
-		<title>Layers Control Tutorial - Leaflet</title>
-
-		<link rel="shortcut icon" type="image/x-icon" href="docs/images/favicon.ico" />
-		<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin=""/>
-		<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
-
-		<style>
-		html, body {
-			height: 100%;
-			margin: 0;
-		}
-		.leaflet-container {
-			height: 400px;
-			width: 600px;
-			max-width: 100%;
-			max-height: 100%;
-			background-color: white;
-			outline:auto;
-		}
-		</style>
-	</head>
-
-	<body>
-		<div class="sliderBox">
-			<input type="range" min="1" max="100" value="50" class="slider" id="myRange">
-			<span id ="sliderOutput"></span>
-			<div id="scaleOutput"></div>
-		</div>
-
-		<div id='map'></div>
-
-		<script>
-			const mLittleton 	= L.marker([39.61, -105.02]).bindPopup('This is Littleton, CO.');
-			const mDenver 		= L.marker([39.74, -104.99]).bindPopup('This is Denver, CO.');
-			const mAurora 		= L.marker([39.73, -104.8]).bindPopup('This is Aurora, CO.');
-			const mGolden 		= L.marker([39.77, -105.23]).bindPopup('This is Golden, CO.');
-			const crownHill 	= L.marker([39.75, -105.09]).bindPopup('This is Crown Hill Park.');
-			const rubyHill 		= L.marker([39.68, -105.00]).bindPopup('This is Ruby Hill Park.');
-
-			const cities = L.layerGroup([
-				mLittleton,
-				mDenver,
-				mAurora,
-				mGolden
-			]);
-			const parks = L.layerGroup([
-				crownHill,
-				rubyHill
-			]);
-
-			const osm = L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
-				maxZoom: 19,
-				attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
-			});
-			const osmHOT = L.tileLayer('https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png', {
-				maxZoom: 19,
-				attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, Tiles style by <a href="https://www.hotosm.org/" target="_blank">Humanitarian OpenStreetMap Team</a> hosted by <a href="https://openstreetmap.fr/" target="_blank">OpenStreetMap France</a>'
-			});
-			const IGNOrtho = L.tileLayer("https://wxs.ign.fr/essentiels/geoportail/wmts?" +
-				"&REQUEST=GetTile&SERVICE=WMTS&VERSION=1.0.0" +
-				"&STYLE=normal" +
-				"&TILEMATRIXSET=PM" +
-				"&FORMAT=image/jpeg"+
-				"&LAYER=ORTHOIMAGERY.ORTHOPHOTOS"+
-				"&TILEMATRIX={z}" +
-				"&TILEROW={y}" +
-				"&TILECOL={x}", 
-				{
-					minZoom : 0,
-					maxZoom : 24,
-					opacity : 0.5,
-					attribution : "IGN-F/Geoportail",
-					tileSize : 256 // les tuiles du Géooportail font 256x256px
-				}
-			);
-
-			const baseLayers = {
-				'OpenStreetMap': osm,
-				'OpenStreetMap.HOT': osmHOT
-			};
-
-			const overlays = {
-				'Cities': cities,
-				'IGNOrtho': IGNOrtho,
-				'Parks': parks
-			};
-
-			const map = L.map('map', {
-				center: [48.1214044, -1.7109459],
-				zoom: 17,
-				layers: [
-					osm
-				]
-			});
-			const layerControl = L.control.layers(baseLayers, overlays).addTo(map);
-
-			var slider = document.getElementById("myRange");
-			var output = document.getElementById("sliderOutput");
-			output.innerHTML = slider.value;
-
-			slider.oninput = function() {
-				output.innerHTML = this.value;
-				IGNOrtho.setOpacity(this.value/100);
-			}
-			// gestion de l'échelle
-			L.control.scale().addTo(map);
-
-			//var y = map.getSize().y / 2;
-			const widthInMeter 	  = 6378137 * 2 * Math.PI * Math.cos(map.getCenter().lat * Math.PI / 180);
-			var scaleOutput 	  = document.getElementById("scaleOutput");
-			scaleOutput.innerHTML = widthInMeter;
-			map.on('moveend', function(){
-				scaleOutput.innerHTML = widthInMeter;
-			});
-		</script>
-	</body>
-</html>
diff --git a/plugins intéressants.md b/plugins intéressants.md
new file mode 100644
index 0000000..96c05bc
--- /dev/null
+++ b/plugins intéressants.md	
@@ -0,0 +1,13 @@
+- script téléchargement photo aérienne IGN:
+https://geotribu.fr/articles/2023/2023-03-22_images_aeriennes_historiques/#un-environnement-de-travail-configenv
+
+- projections cartographique ( plutôt travailler en CC9zones): https://github.com/kartena/Proj4Leaflet
+
+- geotiff: 
+georaster-layer-for-leaflet: https://github.com/geotiff/georaster-layer-for-leaflet
+https://geotiff.github.io/georaster-layer-for-leaflet-example/examples/load-file.html
+
+- mode d'affichage des wms why not: https://leaflet-extras.github.io/leaflet-providers/preview/
+
+- dessin vectoriel: geoman: https://github.com/geoman-io/leaflet-geoman
+
diff --git a/plugins-interessants.md b/plugins-interessants.md
deleted file mode 100644
index 7509c95..0000000
--- a/plugins-interessants.md
+++ /dev/null
@@ -1,11 +0,0 @@
-# Plugins intéressants
-
-- [script téléchargement photo aérienne IGN](https://geotribu.fr/articles/2023/2023-03-22_images_aeriennes_historiques/#un-environnement-de-travail-configenv)
-- projections cartographique ( plutôt travailler en CC9zones):
-    - [Proj4Leaflet](https://github.com/kartena/Proj4Leaflet)
-- [georaster-layer-for-leaflet](https://github.com/geotiff/georaster-layer-for-leaflet)
-    - [examples](https://geotiff.github.io/georaster-layer-for-leaflet-example/examples/load-file.html)
-- [preview de certaines maps de *leaflet-providers*](https://leaflet-extras.github.io/leaflet-providers/preview/)
-- dessin vectoriel:
-    - [geoman](https://github.com/geoman-io/leaflet-geoman)
-
